Acquired Intangible Assets (Notes)

9 Months Ended

Sep. 30, 2015

Acquired Intangible Assets Disclosure [Abstract]

Acquired Intangible Assets

Acquired Intangible Assets

Identifiable acquisition-related intangible assets as of September 30, 2015 and December 31, 2014 were as follows (dollars in millions):

	Gross Carrying Amount		Accumulated Amortization			Net
September 30, 2015
Finite-Lived Intangible Assets:
Customer Contracts and Relationships	$	1,975	$	(884	)	$	1,091
Trademarks	55		(55		)	—
Patents and Developed Technology	230		(154		)	76
	2,260		(1,093		)	1,167
Indefinite-Lived Intangible Assets:
Trade Name	15		—			15
	$	2,275	$	(1,093	)	$	1,182
December 31, 2014
Finite-Lived Intangible Assets:
Customer Contracts and Relationships	$	1,977	$	(741	)	$	1,236
Trademarks	115		(47		)	68
Patents and Developed Technology	228		(133		)	95
	2,320		(921		)	1,399
Indefinite-Lived Intangible Assets:
Trade Name	15		—			15
	$	2,335	$	(921	)	$	1,414

Acquired finite-lived intangible asset amortization expense was $58 million and $172 million for the three and nine months ended September 30, 2015 and $14 million and $50 million for the three and nine months ended September 30, 2014.

At September 30, 2015, the weighted average remaining useful lives of the Company's acquired finite-lived intangible assets was 6.1 years for customer contracts and relationships and 3.4 years for patents and developed technology.

As of September 30, 2015, estimated amortization expense for the Company’s finite-lived acquisition-related intangible assets over the next five years is as follows (dollars in millions):

2015 (remaining three months)	$	54
2016	212
2017	196
2018	193
2019	182
2020	166
Thereafter	164
	$	1,167